Spec 0625
Revise CIE IGCSE Physics 1.7.3a Energy resources and electricity generation with the question bank, revision guides, and flashcards.
Describe how useful energy may be obtained, or electrical power generated, from: (a) chemical energy stored in fossil fuels (b) chemical energy stored in biofuels (c) water, including the energy stored in waves, in tides and in water behind hydroelectric dams (d) geothermal resources (e) nuclear fuel (f) light from the Sun to generate electrical power (solar cells) (g) infrared and other electromagnetic waves from the Sun to heat water (solar panels) and be the source of wind energy including references to a boiler, turbine and generator where they are used • Describe advantages and disadvantages of each method in terms of renewability, availability, reliability, scale and environmental impact • Supplement: Know that radiation from the Sun is the main source of energy for all our energy resources except geothermal, nuclear and tidal
